Granted Patent
Utility
US 4,282,399 · App. 06/043,290
Shared maintenance terminal system
Inventors:
Herbert A. Kippenhan, Jr., Eugene Edwin Nelson, George T. Ricker, Jr.
Patented Case
View Patent ↗
Granted: Aug 4, 1981
Filed: May 29, 1979
Inventors
Herbert A. Kippenhan, Jr.
Eugene Edwin Nelson
George T. Ricker, Jr.
Assignee (at issue)
GTE Automatic Electric Labs Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.